#include<stdio.h>
#include<string.h>
int main()
{
	int i,j;
	char a[100];
	while(scanf("%s",a)!=EOF)
	{
		int len=strlen(a);
		for(i=0;i<len;i++){
		 if(a[i]>='a'&&a[i]<='c')
			printf("2");
		else if(a[i]>='d'&&a[i]<='f')
			printf("3");
		else if(a[i]>='g'&&a[i]<='i')
			printf("4");
		else if(a[i]>='j'&&a[i]<='l')
			printf("5");
		else if(a[i]>='m'&&a[i]<='o')
			printf("6");
		else if(a[i]>='p'&&a[i]<='s')
			printf("7");
		else if(a[i]>='t'&&a[i]<='v')
			printf("8");
		else if(a[i]>='w'&&a[i]<='z')
			printf("9");
		else if(a[i]>='A'&&a[i]<'Z')
			printf("%c",a[i]+33);
		else if(a[i]=='Z')
			printf("a");
		else 
			printf("%c",a[i]);
		if(i==len-1)
			printf("\n");
		}
	}
		

	return 0;
}