> #include<stdio.h>
> #include<string.h>
> #include<stdlib.h>
> int cmp(const void *a,const void *b){
> 	return(*(int *)a-*(int *)b);
> }
> int main(){
> 	//freopen("test.in","r",stdin);
> 	char temp[110];
> 	int length,s1[26],s2[26],i,j,change;
> 	while(scanf("%s",&temp)!=EOF){
> 		for(i=0;i<26;i++) s1[i]=s2[i]=0;
> 		length=strlen(temp);
> 		for(i=0;i<strlen(temp);i++)	s1[temp[i]-'A']++;
> 		scanf("%s",&temp);
> 		length=strlen(temp);
> 		for(i=0;i<strlen(temp);i++)	s2[temp[i]-'A']++;
> 		qsort(s1,26,sizeof(s1[0]),cmp);
> 		qsort(s2,26,sizeof(s2[0]),cmp);
> 		change=1;
> 		for(j=0;j<26;j++){	if(s1[j]!=s2[j]){	change=0;break;	}}
> 		if(change==0) printf("NO\n");
> 		else printf("Yes\n");
> 	}
> 		return 0;
> }