#include<iostream>
#include<iomanip>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<ctype.h>
using namespace std;
int main(){
int a,c[26],l,lp;
cin>>a;
char b[2000],d;
memset (c,0,sizeof(c));
for(int x=0;x<=a;x++){
gets(b);
for(int y=0;y<strlen(b);y++){
if(isalpha(b[y])){
if(b[y]-65>25){
b[y]=b[y]-32;
}
cout<<b[y]-65<<" ";
c[b[y]-65]++;
}
}
}
while(1){
l=0;
lp=0;
for(int y=0;y<26;y++){
if(c[y]>l){
l=c[y];
lp=y;
}
}
if(l==0){
break;
}
d=lp+65;
cout<<d<<" "<<l<<endl;
c[lp]=0;
}
system("pause");
return 0;
}
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