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#include<stdio.h>
#include<string.h>
#include<math.h>
int min(int n){
int x=0;
int y=0;
while (n>0){
if(n%10==6){
x=5*pow(10,y)+x;
}
else x=n%10*pow(10,y)+x;
n=n/10;
y++;
}
return x;
}
int max(int n){
int x=0;
int y=0;
while (n>0){
if(n%10==5){
x=6*pow(10,y)+x;
}
else x=n%10*pow(10,y)+x;
n=n/10;
y++;
}
return x;
}
int main(){
int j,x;
scanf("%d",&j);
for(x=1;x<=j;x++){
int a,b;
scanf("%d%d",&a,&b);
printf("%d %d\n",min(a)+min(b),max(a)+max(b));
}
return 0;
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