18 lines
319 B
C
18 lines
319 B
C
#include <stdio.h>
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int main(void){
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long a, b, i;
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scanf("%ld %ld",&a,&b);
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long sum = 0;
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int if_yes = 0;
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for(i = 1; i < a; i++)
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if(!(a % i)) sum += i;
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if(sum == b) if_yes = 1;
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for(i = 1, sum = 0; i < b; i++)
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if(!(b % i)) sum += i;
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if(sum == a && if_yes) printf("YES\n");
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else printf("NO\n");
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return 0;
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}
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