#include<stdio.h>
#include<string.h>
#include<math.h>
#include<stdlib.h>
size_t length;
int main(){
	int i,length,k;
     char s[1000];
	 k=0;
	 while(scanf("%s",&s)!=EOF){
          length=strlen(s);
		  for(i=0;i<length;i++){
		 if(s[i]=='a'||s[i]=='b'||s[i]=='c')
			 printf("2");
		 else if(s[i]=='d'||s[i]=='e'||s[i]=='f')
			 printf("3");
		 else if(s[i]=='g'||s[i]=='h'||s[i]=='i')
			 printf("4");
		 else if(s[i]=='j'||s[i]=='k'||s[i]=='l')
			 printf("5");
		 else if(s[i]=='m'||s[i]=='n'||s[i]=='o')
			 printf("6");
		 else if(s[i]=='p'||s[i]=='q'||s[i]=='r'||s[i]=='s')
			 printf("7");
		 else if(s[i]=='t'||s[i]=='u'||s[i]=='v')
			 printf("8");
		 else if(s[i]=='w'||s[i]=='x'||s[i]=='y'||s[i]=='z')
			 printf("9");
		 else if('A'<=s[i]&&s[i]<='Y')
			 printf("%c",s[i]=s[i]+33);
		 else if(s[i]=='Z')
			 printf("a");
		 else
			 printf("%c",s[i]);
		  }
		  k+=i;
		  printf("\n");
		  }
}