A. Amusing Joke Solution
#include<stdio.h>
int main()
{
char a[101],b[101],c[201];
int n1[26]={0},n2[26]={0};
int i,j,k;
scanf("%s",a);
scanf("%s",b);
scanf("%s",c);
int l;
for(i=0;a[i];i++){
n1[a[i]-65]++;
}
for (i=0;b[i];i++){
n1[b[i]-65]++;
}
for (i=0;c[i];i++){
n2[c[i]-65]++;
}
int
flag=0;
for (i=0;i<26;i++){
if (n1[i] != n2[i]){
flag=1;
break;
}
}
if (flag==0)
printf("YES\n");
else if (flag==1)
printf("NO\n");
return 0;
}

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