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#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
int main()
{
FILE *fi = fopen("INP.TXT", "r"), *fo = fopen("OUT.TXT", "w");
int n, m, i, *a, *b, x, y;
char signal;
fscanf(fi, "%d %d", &n, &m);
a = malloc(n * sizeof(int));
b = malloc(n * sizeof(int));
for (i = 0; i < n; i++)
fscanf(fi, "%d %d", a + i, b + i);
for (i = 0; i < m; i++) {
fscanf(fi, "%hhd %d %d", &signal, &x, &y);
x--;
b[x] += (signal ^ 1) ? -y : y;
if (b[x] < a[x]) {
fprintf(fo, "BUY %d %d\n", x + 1, a[x] - b[x]);
b[x] = a[x];
}
}
fcloseall();
return 0;
}
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