#include<iostream> char a,b; int n,x[3]; void write(char p,bool f){ int num=f?1:-1; if(p=='D') x[0]+=num; if(p=='G') x[1]+=num; if(p=='Z') x[2]+=num; } int main(){ scanf("%d",&n); for(int i=0;i<n;i++){ scanf("%c %c %c",&a,&a,&b,&b); write(a,1); write(b,0); } printf("D %d\nG %d\nZ %d",x[0],x[1],x[2]); return 0; }