#include <stdio.h>
int main(){
int n,m,op;
scanf("%d%d%d",&n
,&m
,&op
); int a[100000]={0},b[100000]={0};
for(int i=0;i<n;i++)
for(int i=0;i<m;i++)
int temp=0,print,p[100000];
if(op==1){
for(int i=0;i<n;i++){
if(temp==1) a[i]--;
temp=(a[i]-b[i]<0)? 1:0;
print=a[i]-b[i]+temp*10;
}
for(int i=0;i<n;i++){
if(p[i]==0){
int printable=0;
for(int j=i+1;j<n;j++){
if(p[j]!=0) printable=1;
}
if(printable
==1) printf("%d",p
[i
]); else break;
}
else{
}
}
}
else{
for(int i=0;i<m||i<n||temp!=0;i++){
print=(a[i]+b[i]+temp)%10;
temp=(a[i]+b[i])/10;
}
}
return 0;
}
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