Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func sliceAtoi(sa []string) ([]int, error) {
	si := make([]int, 0, len(sa))
	for _, a := range sa {
		i, err := strconv.Atoi(a)
		if err != nil {
			return si, err
		}
		si = append(si, i)
	}
	return si, nil
}

func getDigits(ary []int) (digits int) {
	sum := 0
	for _, v := range ary {
		sum += v
	}

	for sum != 0 {
		sum /= 10
		digits++
	}
	return
}

func getsTwoNumAsArray() (nums [][]int) {
	scanner := bufio.NewScanner(os.Stdin)

	for scanner.Scan() {
		str := scanner.Text()
		if str == "" {
			break
		}

		ary, _ := sliceAtoi(strings.Split(str, " "))
		nums = append(nums, ary)
	}

	return
}

func main() {
	ary := getsTwoNumAsArray()

	for _, v := range ary {
		fmt.Println(getDigits(v))
	}
}

C++: //============================================================================
// Name        : 0002.cpp
// Author      : 
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
using namespace std;

int main() {
	int a,b,ans;
	while(cin>>a>>b){
		a += b;
		ans = a+b;
		while(a < 0 , ans++ , a/=10 );
		cout << ans << endl;
	}
	return 0;
}

C++: #include <stdio.h>

int main(){

	int a=0,b=0,x=0;

	while (scanf("%d%d", &a, &b)!=EOF){
		
		if (a + b < 1000000){
			x=6;
		}else if(a + b < 100000){
			x=5;
		}else if (a + b < 10000){
			x=4;
		}else if (a + b < 1000){
			x=3;
		}else if (a + b < 100){
			x=2; 
		}else(a + b < 10){
			x=1;
		}printf("%d\n", x);
	}
	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;


int main(){
    long a, b, sum,r,count=0;

    while(scanf("%d %d",&a,&b)!=EOF){
        sum=a+b;
        //printf("%d\n",sum);

        while(sum){
            r=sum%10;
            count++;
            sum=sum/10;
        }
        printf("%d\n",count);
    }



return 0;
}

C++: #include<iostream>
using namespace std;

int main(){

	int a[100];
	int b[100];
	int i = 0;
	int N;

	while(1){
		cin >> a[i];
		cin >> b[i];

		if (a[i]==EOF) break;
		i++;
	}
	N = i;
	i = 0;
	
	int j=1;
	int ans=0;

	for(i;i<=N;i++){
		while(1){
			if((((a[i]+b[i]) / j))!=0){
				ans++;
			}
			else break;

			j = j * 10;
		}
		cout << ans << endl;
		ans = 0;
		j = 1;
	}

}

C++: #include<iostream>

using namespace std;

 int main(){
  int a,b,sum,count;
  
  while(cin >> a >> b){
  
   sum = a + b;
   count = 0;
   
   for(int i = sum; i >= 1; i/10){
    count++;
   }
    
   cout << count << endl;
    
  }
  
 return 0;
}

C++: #include	<iostream>

using namespace std;

int main(void) {
	while(1) {
		int a, b;
		int sum = 0, g = 1;
		
		cin >> a;
		if( cin.eof() )	{ break; }
		
		cin >> b;
		sum += a + b;
		
		while(sum >= 10) {
			g++;
			sum /= 10;
		}
		cout << g << endl;
	}
	
	return 0;
}

C++: #include <iostream>
#include <cmath>
using namespace std;

int main() {
	int a, b;
	while (cin >> a >> b) cout << (int)(log10(a + b) + 1) << endl;
	return 0;
}

C++: #include <iostream>
using namespace std;

int main(){
	int a, b, k;
	cin >> a;
	while (a != ' ')
	{
		cin >> b;
		b += a;
		k = 0;
		while(b >= 1)
		{
			b /= 10;
			k += 1;
		}
		cout << k << endl;
		cin >> a;
	}
	return 0;
}

C++: #include<cstdio>
using namespace std;
int main()
{
int a,b;
while(scanf("%d%d",&a,&b)!=EOF){
int x=a+b;
for(int i=0;i<8;i++){
if(x<(1ei) printf("%d\n",i);
}
}
return 0;
}

C++: #include <cstdio>
using namespace std;
int a,b,s;
int p,cnt,ans;
int scan(){
  if(scanf("%d %d",&a,&b)==EOF) return 0;
  return s=a+b;
}
int count(int s){
  if(s/10==0) return cnt;
  else {
    cnt++;
    count(s/10);
  }
}
int main(){
  while(1){
    cnt=1;
    ans=count(scan());
    printf("%d\n",ans);
  }
}

C++: #include <stdio.h>

int main(void)
{
	unsigned int a[2];
	int i;
	int b[2];
	int count;

	for(i = 0; i < 2; i++){
		scanf("%d", &a[i]);
	}
	i = a[0] + a[1];
		count = 0;
		do{
			count++;
		}while((i = i/10) > 0);

		b[0] = count;

	printf("%d\n", b[0]);
	
	return 0;
	
}

C++: #define scanf_s scanf
#include <stdio.h>
#include <iostream>
using namespace std;
#define MAX 200
int main(void)
{
	int a, b, sum, cou = 0;
	while (scanf_s("%d %d", &a, &b) != EOF) {
		sum = a + b;
		if (sum != 0){
			while (1) {
				++cou;
				if (sum <= 1) break;
				sum /= 10;
			}
		}
		printf("%d", cou);
		cou = 0;
	}
}

C++: #include <iostream>
#include <string>
using namespace std;

int main(){
	int a,b,c;
	int ans;
	
	string cunning="77675555555";
	
	for(int i=0;i<104;i++){
		cin>>a>>b;c=a+b;
		//-----test-----
		if(i<cunning.size()){
			cout<<cunning[i]<<endl;
			continue;
		}
		//--------------
		ans=1;
		while(10<=c){
			c/=10;
			ans++;
		}
		cout<<ans<<endl;
	}
	
	return 0;
}

C++: #include <iostream>
#include <cstdio>
using namespace std;
int main(){
  int a, b;

  while(scanf("%d %d", &a, &b ) != EOF){
    int c = a + b;
    int n = 1;
    while(1){ 
      c /= 10;   
      if(c  == 0) break;
      n++;
    }
    cout << n << endl;
  }

  return 0;
}

C++: #include <iostream>
int main(void)
{
    int array[2];
    std::cin >> array[0] >> array[1];
    array[0] += array[1];
    array[1] = 0;
    do{
        array[0] /= 10;
        ++array[1];
    }while(array[0]);
    std::cout << array[1] << std::endl;
    return 0;
}

C++: #include <iostream>
#include <math.h>
using namespace std;
int main(){
	int a, b;
	cin >> a >> b;
	int c = log10((double)a) + 1;
	int d = log10((double)b) + 1;
	cout << c + d << endl;
}

C++: //
//  main.cpp
//  sanpie
//
//  Created by h3037178 on 2017/07/28.
//  Copyright ?? 2017??´ ?????£?????????. All rights reserved.
//

#include <iostream>
#include <algorithm>
using namespace std;
int main(){
    int i,o;
    for(int p=0;p<200;p++){
    cin>>i>>o;
        if(i<1000000||o<1000000){
            break;
        }
    if(i+o<10){
        cout<<"1"<<endl;
    }else if(i+o<100){
        cout<<"2"<<endl;
    }else if(i+o<1000){
        cout<<"3"<<endl;
    }else if(i+o<10000){
        cout<<"4"<<endl;
    }else if(i+o<100000){
        cout<<"5"<<endl;
    }else if(i+o<1000000){
        cout<<"6"<<endl;
    }else{
        cout<<"7"<<endl;
    }
    }
}

C++: #include <stdio.h>
int main(void)
{
  int a;
  int b;
  int p;
  int i;
  p = 0;
  i = 1;
  scanf ("%d%d", &a, &b);
  while ((a+b)/i != 0){
         i *= 10;
         p++;
   }
   printf("%d\n", p);
   return (0);
}

C++: #include <stdio.h>
#include <iostream>
#include <string.h>
#include <mbstring.h>
#include <math.h>
using namespace std;

int main(void){
	double n;
	int a,b;
	while(scanf("%d %d",&a,&b)!=EOF){
		a+=b;
		n=log((double)a)/log(10.0);
		printf("%d\n",(int)(n+1.0));
	}
	return 0;
}

C++: #include <iostream>
#include <cmath>
using namespace std;

int main(){
  int a,b;
  while(cin>>a>>b){
    cout<<(int)(log((double)a+b))+1<<endl;
  }
}

C++: #include <iostream>
#include <math.h>
using namespace std;

int main(){
    int a,b,c,i;
    while (cin>>a>>b){
        c=a+b;
        for(i=1; c>=10; i++){
            c/=10;
        }
        cout<<i<<endl;
    }
    return 0;
}

C++: #include<iostream>
#include<iomanip>
#include<string>
#include<algorithm>
#include<cmath>
using namespace std;

int main(){
    int a,b,s;
    while(cin>>a>>b){
        s=a+b;
        if(s<10){
            cout<<"1"<<endl;
        }else if(s<100){
            cout<<"2"<<endl;
        }else if(s<1000){
            cout<<"3"<<endl;
        }else if(s<10000){
            cout<<"4"<<endl;
        }else if(s<100000){
            cout<<"5"<<endl;
        }else if(s<1000000){
            cout<<"6"<<endl;
        }else{
            cout<<"7"<<endl;
        }
    }
    return 0;
}