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Pasted as C by registered user ggg40504 ( 5 years ago )
#include <stdio.h>

int main(void)
{
   int n,m;
   int i,j;
   char a[1001],b[1001];
   int f=0;
   while(scanf("%d %d",&n,&m)&&scanf("%s %s",a,b)!=EOF){
      for(i=0;i<n;i++){
         for(j=0;j<m;j++){
            if(a[i]==b[j]){
               f++;
               b[j]=0;
               a[i]=0;
            }
         }
      }
      if(f==n&&n==m){
         printf("YES\n");
         f=0;
      }
      else{
         printf("NO\n");
         f=0;
      }
   }
   return 0;
}

 

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