#include<stdio.h>
#include<string.h>
int main(){
	char n[111];
	int i;
	while(scanf("%s",&n)!=EOF){
		for(i=0;i<strlen(n);i++){
			if(n[i]=='a'||n[i]=='b'||n[i]=='c'){printf("2");}
			else if(n[i]=='d'||n[i]=='e'||n[i]=='f'){printf("3");}
			else if(n[i]=='g'||n[i]=='h'||n[i]=='i'){printf("4");}
			else if(n[i]=='j'||n[i]=='k'||n[i]=='l'){printf("5");}
			else if(n[i]=='m'||n[i]=='n'||n[i]=='o'){printf("6");}
			else if(n[i]=='p'||n[i]=='q'||n[i]=='r'||n[i]=='s'){printf("7");}
			else if(n[i]=='t'||n[i]=='u'||n[i]=='v'){printf("8");}
			else if(n[i]=='w'||n[i]=='x'||n[i]=='y'||n[i]=='z'){printf("9");}
			else if('A'<=n[i]&&n[i]<'Z'){n[i]=n[i]+33;printf("%c",n[i]);}
			else if(n[i]=='Z'){printf("a");}
			else{printf("%c",n[i]);}
			if(i==strlen(n)-1){printf("\n");}
		}
	}
}