#include<stdio.h>
#include<string.h>
#include<stdlib.h>
int main(){
	char ss[110];
	while(~scanf("%s",&ss)){
		int len=strlen(ss);
		for(int i=0;i<len;i++){
			if(ss[i]>='a'&&ss[i]<='c')
			printf("2");
			else if(ss[i]>='d'&&ss[i]<='f')
			printf("3");
			else if(ss[i]>='g'&&ss[i]<='i')
			printf("4");
			else if(ss[i]>='j'&&ss[i]<='l')
			printf("5");
			else if(ss[i]>='m'&&ss[i]<='o')
			printf("6");
			else if(ss[i]>='p'&&ss[i]<='s')
			printf("7");
			else if(ss[i]>='t'&&ss[i]<='v')
			printf("8");
			else if(ss[i]>='w'&&ss[i]<='z')
			printf("9");
			else if(ss[i]=='Z')
			printf("a");
			else if(ss[i]>='A'&&ss[i]<'Z')
			printf("%c",ss[i]+33);
			else
			printf("%c",ss[i]);
		}
		printf("\n");
	}
}