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lab9task1.c

+#include <stdio.h>
+
+int mult(int x, int y);
+float div(float x, float y);
+int add(int x, int y);
+int sub(int x, int y);
+
+int main(){
+	int first;
+	int second;
+	int choice;
+	int result;
+	float resultf;
+	
+	puts("Enter the numbers");
+	scanf("%d", &first);
+	scanf("%d", &second);
+
+	printf("The action with numbers:\n1 - mult\n2 - div\n3 - add\n4 - subs\n");
+	
+	do{
+		puts("pick the numbers");
+		scanf("%d", &choice);
+	}
+	while(choice < 1 || choice > 4);
+	
+
+	switch(choice){
+		
+		case 1:
+		puts("multiplication");
+		result = mult(first, second);
+		printf("%d", result);
+		break;
+		
+		case 2:
+		puts("division");
+		resultf = div(first, second);
+		printf("%f", resultf);
+		break;
+		
+		case 3:
+		puts("adding");
+		result = add(first, second);
+		printf("%d", result);
+		break;
+		
+		case 4:
+		puts("substracting");
+		result = sub(first, second);
+		printf("%d", result);
+		break;
+		
+	}
+	
+	return 0;
+
+}
+
+int mult(int x, int y){
+	int A;
+	A = x * y;
+	
+	return A;
+}
+
+float div(float x, float y){
+	float B;
+	B = x / y;
+	
+	return B;
+}
+
+int add(int x, int y){
+	int C;
+	C = x + y;
+	
+	return C;
+}
+
+int sub(int x, int y){
+	int D;
+	D = x - y;
+	
+	return D;
+}
+
+
+		
+		
+		
+