36 lines
465 B
C
36 lines
465 B
C
#include <stdio.h>
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#include <stdlib.h>
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int cmp_num(const void *n1, const void *n2);
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int main(void)
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{
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int a[3];
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scanf("%d %d %d", &a[0], &a[1], &a[2]);
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qsort(a, 3, sizeof(int), cmp_num);
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if (a[0] == 5 && a[1] == 5 && a[2] == 7)
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{
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puts("YES");
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}
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else
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{
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puts("NO");
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}
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}
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int cmp_num(const void *n1, const void *n2)
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{
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if (*(int *)n1 > *(int *)n2)
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{
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return (1);
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}
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else if (*(int *)n1 < *(int *)n2)
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{
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return (-1);
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}
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else
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{
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return (0);
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}
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}
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