import java.util.*;
public class Solution {
public int solve (String nums) {
if(nums.length()==0||nums.charAt(0)=='0')
return 0;
int[] dp=new int[nums.length()];
dp[0]=1;
for(int i=1;i=10&&num<=26){
if(i==1){
dp[i]+=1;
}else{
dp[i]+=dp[i-2];
}
}
}
return dp[nums.length()-1];
}
}



