#include <stdio.h>
int main(){
    int n, m, f[100], i, money, point;
    scanf("%d%d", &n, &m);
    money=n; point=0;
    for(i=0;i<m;i++){
        scanf("%d", &f[i]);
    }
    for(i=0;i<m;i++){
        if(point>=f[i]) point-=f[i];
        else{
            money-=f[i];
            point+=f[i]/10;
        }
        printf("%d %d\n", money, point);
    }
    return 0;
}