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#include <fstream>
#include <string.h>
using namespace std;
ifstream fin("adunare.in");
ofstream fout("adunare.out");
char a[20],b[20];
short int x[20],y[20],c[20];
int i,S,t,nra,nrb;
int main()
{
fin.getline(a+1,15);
fin.getline(b+1,15);
nra=strlen(a+1);
nrb=strlen(b+1);
for(i=nra;i>=1;i--){
x[nra-i+1]=a[i]-'0';
}
for(i=nrb;i>=1;i--){
y[nrb-i+1]=b[i]-'0';
}
x[0]=nra;
y[0]=nra;
//suma
t=0;
for(i=1;i<=x[0]||i<=y[0];i++){
S=x[i]+y[i]+t;
c[i]=S%10;
t=S/10;
}
c[0]=i-1;
if(t>0){
c[i]=t;
c[0]=i;
}
for(i=c[0];i>=1;i--)
fout<<c[i];
}