#include<stdio.h>
char ans[10][100]={"XXXX.XX.XX.XXXX","..X..X..X..X..X","XXX..XXXXX..XXX","XXX..XXXX..XXXX","X.XX.XXXX..X..X","XXXX..XXX..XXXX","XXXX..XXXX.XXXX","XXX..X..X..X..X","XXXX.XXXXX.XXXX","XXXX.XXXXX.XXXX"};
void Print(int i,int A);
int main(){
	int n;
	scanf("%d",&n);
	getchar();
	char s[30];
	int k=n;
	int o=0;
	while(k--) scanf("%c",&s[o++]);
	for(int i=0;i<=4;i++){
		for(int j=0;j<n;j++){
			Print(i,s[j]-'0');
			if(j!=n-1) printf(".");
		}
		printf("\n");
	}
}
void Print(int i,int A){
	for(int k=0;k<=2;k++){
		printf("%c",ans[A][i*3+k]);
	}
}