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p124.java
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p124.java
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package com.caiomed03.aceptaelreto;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class p124 {
static class FastReader {
BufferedReader br;
StringTokenizer st;
public FastReader() {
br = new BufferedReader(
new InputStreamReader(System.in));
}
String next() {
while (st == null || !st.hasMoreElements()) {
try {
st = new StringTokenizer(br.readLine());
} catch (IOException e) {
e.printStackTrace();
}
}
return st.nextToken();
}
int nextInt() {
return Integer.parseInt(next());
}
long nextLong() {
return Long.parseLong(next());
}
double nextDouble() {
return Double.parseDouble(next());
}
String nextLine() {
String str = "";
try {
str = br.readLine();
} catch (IOException e) {
e.printStackTrace();
}
return str;
}
boolean hasNext() {
if (st != null && st.hasMoreTokens()) {
return true;
}
String tmp;
try {
br.mark(1000);
tmp = br.readLine();
if (tmp == null) {
return false;
}
br.reset();
} catch (IOException e) {
return false;
}
return true;
}
}
public static int acarreos(String s1, String s2)
{
int cuenta=0;
int acarreo=0;
int i=0;
boolean terminado=false;
while (!terminado)
{
int i1=i<s1.length()?s1.charAt(s1.length()-i-1)-'0':0;
int i2=i<s2.length()?s2.charAt(s2.length()-i-1)-'0':0;
int suma=acarreo+i1+i2;
acarreo=suma>=10?1:0;
cuenta+=acarreo;
i++;
terminado=!(acarreo>0) && (i>=s1.length() || i>s2.length());
}
return cuenta;
}
public static void main(String[] args)
{
FastReader sc = new FastReader();
boolean terminar=false;
do
{
String s1=sc.next();
String s2=sc.next();
terminar=s1.equals("0")&&s2.equals("0");
if (!terminar)
{
System.out.println(acarreos(s2,s1));
}
} while (!terminar);
}
}