杭电acm2040

#include <stdio.h>int main() {int n, i, j, a, b, sum1, sum2;while(scanf("%d", &n) != EOF) {for(i=0; i<n; i++) {scanf("%d%d", &a, &b);sum1 = 0;sum2 = 0;for(j=1; j<a; j++)if(a%j==0)sum1 += j;for(j=1; j<b; j++)if(b%j==0)sum2 += j;if(sum1==b && sum2==a)printf("YES\n");elseprintf("NO\n");}}return 0;}