#include<iostream>
#include<algorithm>
#include<cstdio>
using namespace std;
    int num[100],save[100],tempn;
    char sym[100],temps;
int main(){
    FILE* in = fopen("symbol.in", "rt");
    FILE* out = fopen("symbol.out", "wt");
    bool visited[100];
    for(int i=0;i<5;i++){
        fscanf(in, "%i %c", &tempn, &temps);
        save[i]=tempn;
        num[i]=tempn;
        sym[i]=temps;
    }
    sort(num,num+5);
    for(int i=0;i<5;i++){
        for(int j=0;j<5;j++){
            if(num[i]==save[j]) {
            swap(sym[i],sym[j]);
            swap(save[i],save[j]);
            }
        }
    }
    for(int i=0;i<5;i++){
        for(int j=0;j<num[i];j++){
            fprintf(out,"%c",sym[i]);
        }
        if(i!=4)fprintf(out,"%s","\n");
    }
    return 0;
}