#include<bits/stdc++.h>
using namespace std;
//#define DEBUG
int arr[30][100];//数组
int var[30];//变量
void gint_do(){
	char ch1,ch2,sym;
	int num1,num2;
	int *site1=NULL,*site2=NULL;
	int arr1=0;
	int arr2=0;
	ch1=getchar();
	while((ch1>'Z' || ch1<'A') && (ch1>'z' || ch1<'a')) ch1=getchar();
	#ifdef DEBUG 
		printf(" --ch1=%c\n",ch1);
	#endif
	if(ch1>='a' && ch1<='z') scanf("%d",&num1),arr1=1;
	#ifdef DEBUG 
		printf(" --num1=%d,arr1=%d\n",num1,arr1);
	#endif
	getchar();
	sym=getchar();
	#ifdef DEBUG 
		printf(" --sym=%c\n",sym);
	#endif
	getchar();
	ch2=getchar();
	while((ch2>'Z' || ch2<'A') && (ch2>'z' || ch2<'a') && (ch2>'9' || ch2<'0')) ch2=getchar();
	#ifdef DEBUG 
		printf(" --ch2=%c\n",ch2);
	#endif
	if(ch2>='a' && ch2<='z') scanf("%d",&num2),arr2=1;
	else if(ch2<='9' && ch2>='0'){
		num2=ch2-'0';
		arr2=2;
		ch2=getchar();
		while(ch2<='9' && ch2>='0') num2=num2*10+ch2-'0',ch2=getchar();
	}
	#ifdef DEBUG 
		printf(" --num2=%d,arr2=%d\n",num2,arr2);
	#endif
	if(arr1==0) site1=&var[ch1-'a'];
	else site1=&arr[ch1-'A'][num1];
	if(arr2==0) site2=&var[ch2-'a'];
	else if(arr2==1) site2=&arr[ch2-'A'][num2];
	else site2=&num2;
	switch(sym){
		case '=':*site1=*site2;break;
		case '+':*site1+=*site2;break;
		case '-':*site1-=*site2;break;
		case '^':*site1^=*site2;break;
	}
	#ifdef DEBUG 
		printf("\t\t\t-> ",ch1);
	#endif
	printf("%d\n",*site1);
}
int main(){
	#ifdef DEBUG 
		freopen("in.txt","r",stdin);
	#endif
	int n;
	cin>>n;
	getchar();
	for(int i=1;i<=n;i++){
		gint_do();
		#ifdef DEBUG 
		printf("#%d End.\n",i);
		#endif
	}
	#ifdef DEBUG
	printf("\nThe End!");
	#endif
	return 0;
}

6
A = 1
B = A
c12 + 123
d31 - 15
d31 ^ c12
A = d31

1
1
123
-15
-118
-118