Yes.
readln will read t as 2. Then readln(n) will read zero and print the output of zero. Then readln(n) will read 3 then readln(a,b) will read 0,0 then readln(a,b) will read(4,0) updating e to 4, then readln(a,b) will read 0,0. The output of 4 will be printed.